Behind Pfizer’s new Covid-19 vaccine
Scientists are playing it safe: they want to see the data, but say that there is ‘reason to be cautiously optimistic’
10 November 2020 - 08:10
The announcement by Pfizer and BioNTech that they have a vaccine which, early data shows, prevents 90% of Covid-19 infections has offered the world a glimpse of an end to the coronavirus nightmare.
It’s good news for everyone, perhaps with the exception of video call technology company Zoom, whose stock tumbled 17.3% on Monday as the promise grew of a resumption of travel and face-to-face meetings...
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